About 8 minutes later, the Falcon's first stage returned to Earth, landing vertically on the ocean-based droneship "Of Course I Still Love You." This was the 25th flight for this booster, including 14 previous Starlink launches, according to SpaceX's website for Saturday's mission.

These phrases may seem concerning, but they're part of SpaceX's "fail fast, learn fast" methodology. The explosions in January and March were caused by oxygen and fuel leaks near the ship's engine, causing an immediate inferno.